Home / 7,867.35-11,791.31-4,737.51

Finding the Fourth Proportional to 7,867.35, 11,791.31 and 4,737.51

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Solution

The fourth proportional to 7,867.35, 11,791.31 and 4,737.51 is: 7,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.35 : 11,791.31 = 4,737.51 : x
  2. Step 2: Convert to fraction form
    7,867.35/11,791.31 = 4,737.51/x
  3. Step 3: Cross multiply
    7,867.35x = 11,791.31 × 4,737.51
  4. Step 4: Simplify right side
    7,867.35x = 55,861,425.35
  5. Step 5: Solve for x
    x = 55,861,425.35/7,867.35
  6. Step 6: Final answer
    x = 7,100.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.